with \(\mathcal {W}_v\)  a function on the group \(G(k_v)\) . By multiplicity one theorems in [1]},[2]}, when \(\phi \)  is a generic character of the maximal unipotent subgroup \(U\) , the Whittaker coefficient is Eulerian. A larger variety of cases are considered in [3]}. In particular, in [3]}, the case when \(\pi \)  is a discrete spectrum automorphic representation is considered. We will be applying our method to cover this case as well as Eisenstein series induced from discrete spectrum data.
